Trying to track down rattling in my doors on my 63 impala but not sure where to start. On my drivers side (coupe) it sounds like it comes from the vent window, comes & goes. I’ll be taking the door panel off later to get a better look. If anyone has some advice on where to check it would be...

GM is starting a new heritage website to support our hobby. It may result in a lot less questions about trim codes and VIN deciphering, as well as sell some good merch. See below link https://www.gmheritage.com/ They said that it is early in the process and that it will capture more and...

I’m thinking of getting rid of my 2” exhaust manifolds for some corvette replica 2.5” manifolds. I’m wondering though if the exhaust pipes where they connect to the manifolds would need to be changed or will they work with the bigger exhaust manifolds? I’m also curious as to if these have the...

Does a454 and 396 have different harmonic balancers?

Block number is stamped 8844422 I have checked online and the closest code to mine is 3844422. Were there any blocks stamped wrong?